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Finding the Fourth Proportional to 458,063.82, 632,128.81 and 254,114.73

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Solution

The fourth proportional to 458,063.82, 632,128.81 and 254,114.73 is: 350,678.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,063.82 : 632,128.81 = 254,114.73 : x
  2. Step 2: Convert to fraction form
    458,063.82/632,128.81 = 254,114.73/x
  3. Step 3: Cross multiply
    458,063.82x = 632,128.81 × 254,114.73
  4. Step 4: Simplify right side
    458,063.82x = 160,633,244,005.54
  5. Step 5: Solve for x
    x = 160,633,244,005.54/458,063.82
  6. Step 6: Final answer
    x = 350,678.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.